495486551 has 8 divisors (see below), whose sum is σ = 574028064. Its totient is φ = 418884480.

The previous prime is 495486479. The next prime is 495486557. The reversal of 495486551 is 155684594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495486551 - 2¹⁸ = 495224407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495486496 and 495486505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495486557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484310 + ... + 485331.

It is an arithmetic number, because the mean of its divisors is an integer number (71753508).

Almost surely, 2^495486551 is an apocalyptic number.

495486551 is a deficient number, since it is larger than the sum of its proper divisors (78541513).

495486551 is an equidigital number, since it uses as much as digits as its factorization.

495486551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969721.

The product of its digits is 864000, while the sum is 47.

The square root of 495486551 is about 22259.5271962367. The cubic root of 495486551 is about 791.3050857647.

The spelling of 495486551 in words is "four hundred ninety-five million, four hundred eighty-six thousand, five hundred fifty-one".